* {
    padding: 0;
    margin: 0;
    border: none;
    list-style: none;
    box-sizing: border-box;
}
html {
    background: url("../img/one.jpg") no-repeat center fixed;
    background-size: cover;
}
.header {
    background: url("../img/one.jpg") no-repeat fixed;
    background-size: cover;
    overflow: hidden;
    margin-bottom: -1px;
}

/*.header::before {*/
/*    content: '';*/
/*    position: absolute;*/
/*    left: 0;*/
/*    top: 70px;*/
/*    width: 100%;*/
/*    height: 0.25em;*/
/*    background:*/
/*    linear-gradient(135deg, transparent, transparent 45%, white, transparent 55%, transparent 100%) repeat-x,*/
/*    linear-gradient(45deg, transparent, transparent 45%, white, transparent 55%, transparent 100%) repeat-x;*/
/*    background-size: 0.5em 0.5em;*/
/*}*/

.header::after {
    content: "  ";
    position: absolute;
    left: 0;
    top: 55px;
    width: 100%;
    height: 1px;
    border-top: 1px solid white;
    -webkit-transform: scaleY(.5);
    transform: scaleY(.5);
}

.header .tit {
    float: left;
    line-height: 10px;
    font-size: 25px;
    font-weight: bold;
    padding-left: 20px;
    /*font-family: "Menlo";*/
}

.header .set {
    line-height: 50px;
    font-size: 14px;
    padding-right: 20px;
    float: right;
}

.header .set a {
    color: white;
    text-decoration: none
}
.login .main {
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    margin: auto;
    height: 300px;
    width: 450px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.19), 0 6px 20px 0 rgba(0, 0, 0, 0.18);
    border-radius: 5%;
    /*background-image: linear-gradient(to right, lightblue, lightcyan);*/
    /*opacity: 0.5;*/
}
.login .bg {
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    margin: auto;
    height: 300px;
    width: 450px;
    border-radius: 5%;
    background-image: linear-gradient(to right, lightcyan, lightcyan);
    opacity: 0.3;
}
.login .main form{
    padding: 50px 70px;
}
.login .main .form-control{
    border-bottom-left-radius: 0px;
    border-top-left-radius: 0px;
}
.login .main .form-control input{
    text-align: center;
}
/*.login .main .last_but{*/

/*}*/
/*.login .main .last_but a{*/
/*    font-size: 0.5em;*/
/*}*/
/*.login .main .check1{*/
/*    padding-right: 100px;*/
/*}*/
/*#span{*/
/*    padding: 4px 0;*/
/*    color: black;*/
/*    font-size: 0.6em;*/
/*    border: 1px;*/
/*}*/
.login .main img {
    border: 1px solid lightgray;
    margin-right: -31px;
    margin-top: -7px;
    background-color: #ececec;
    border-bottom-left-radius: 3px;
    border-top-left-radius: 3px;
}

/*foot部分*/
/*body footer {*/
/*    background: lavender;*/
/*    padding: 30px 0 0 0;*/
/*    position: relative;*/
/*    margin-top: 20px;*/
/*}*/
/*.footer-logo {*/
/*    display: block;*/
/*    margin: 0 auto;*/
/*}*/
